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QUESTION 51
Refer to the exhibit. Which of the following IOS DHCP configuration statements is required so that a Cisco skinny-based IP phone can connect with CallManager?
A. ip dhcp pool Client
B. network 10.1.1.0 255.255.255.240
C. default-router 10.1.1.1
D. dns-server 10.2.2.2
E. domain-name cisco.com
F. option 150 ip 10.3.3.3
Correct Answer: F Section: (none) Explanation
Explanation/Reference:
QUESTION 52
What is a key characteristic of the Cisco Business Ready Teleworker solution which is different from traditional software-client based Teleworker solutions? Choose two.
A. all traffic is encrypted using IPSec and the Triple-DES algorithm
B. full support for all Enterprise applications, including data, voice, and video
C. thousands of Teleworker VPN tunnels can be aggregated to a headquarters location
D. the VPN tunnel is an always on site-to-site VPN connection
E. portability for use while traveling
F. used with broadband Cable/DSL subscriptions
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Refer to the exhibit. Given the configuration on a Teleworker router, and knowing it was in the process of being booted, what statement would best describe the order in which the head-end peers would be selected?
A. The remote router would load-balance between peer x.x.x.x and x.y.y.y.
B. Peer x.x.x.x would be attempted first.
C. A round-robin selection is implemented.
D. If the first peer in the list does not respond in 50 milliseconds, the second peer would be selected
E. There is no pre-determined order of selection.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 54
Due to the relationship of IPSec encryption and VoIP bandwidth, which recommendation would conserve bandwidth for Teleworkers with IP phones?
A. Select the G.711 CODEC.
B. Configure encryption to use DES instead of Triple-DES.
C. Select the G.729a CODEC.
D. Enable cRTP for the Teleworker-originated Voice media streams.
E. Apply a QoS Service Policy to the downlink of the broadband connection.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 55
For Ethernet-to-Ethernet routers, such as the Cisco 831 behind a cable modem or DSL bridge, a traffic shaper is configured. This is required since the output 10-Mbps interface will not be congested. Which two statements are true? Choose two.
A. The parent policy-map shapes and the child policy-map queues.
B. The mean-rate and burst-size must always be the same value.
C. This will not work without a Dialer interface configured.
D. The shaper provides congestion feedback.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 56
Refer to the exhibit. Given the interface configuration on a DSL connection with PPPoE, select the true statement.
A. The router is limiting the size of TCP and UDP packets.
B. The configuration implements an effective Layer-2 fragmentation technique.
C. The value of 542 is recommended in several RFCs.
D. There is another upstream router terminating the PPPoE session.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 57
Context-Based Access Control (CBAC) is the algorithm of the Cisco IOS firewall feature. How does CBAC improve Teleworker security?
A. Inbound packets are permitted only if they are part of a legitimate data flow initiated by a device on the Teleworker home network.
B. All packets are checked for integrity by analyzing their checksum.
C. Every packet is checked to see if it was sent through the VPN tunnel.
D. Every packet is inspected to see if any disallowed URLs are included. URLs are forwarded to the security cache engine for authorization.
Correct Answer: A Section: (none) Explanation
Explanation/Reference: QUESTION 58
Why might the following configuration command be entered into a router’s configuration? no crypto ipsec nat-transparency udp-encapsulation
A. You wish to disable nat-transparency and use IPSec passthru.
B. It is incompatible with QoS pre-classify.
C. It disables anti-replay on the receiving router.
D. WRED cannot randomly drop UDP packets, so UDP encapsulation should be avoided.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 59
Which can be used to check if a packet’s ToS/IP Precedence/DSCP value is being marked correctly, from a specific host/flow? Choose two.
A. Use Netflow on the Teleworker router.
B. Use a Protocol Analyzer on the same LAN as the client.
C. Use a Protocol Analyzer between the Teleworker router and broadband modem.
D. Use show policy-map interface.
Correct Answer: AB Section: (none) Explanation
Explanation/Reference:
QUESTION 60
What is not a difference between VPN tunnel authentication and per-user authentication?
A. VPN tunnel authentication is part of the IKE specification.
B. VPN tunnel authentication does not control which end user can use the IPSec SA (VPN tunnel).
C. User authentication is used to control access for a specific user ID, and can be used with or without a VPN tunnel for network access authorization.
D. 802.1X with EAP-TLS (X.509 certificates) can be used to authenticate an IPSec tunnel.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 61
A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?
A. Deployment of Business Ready Teleworker with VoIP is not recommended.
B. The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.
C. Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX, integrating the two with trunking.
D. Deployment is recommended only for full-time Teleworkers who have no other corporate phone.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 62
When is an IPSec SA built on the Teleworker Router?
A. when the router is booted up
B. when the router administratively does a no shutdown” on the IPSec SA
C. when traffic matches a line of the access-list tied into the crypto-map in the router configuration, and that particular IPSec SA is not already up
D. when the ISAKMP SA completes negotiation of all IPSec SAs (one per access-list line in the crypto ACL), it will be brought up immediately
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 63
What characteristics make ADSL the likely choice among DSL technologies for Teleworker? Choose two.
A. most widely deployed by service providers
B. provides asymmetrical bandwidth, including high speed downlink
C. data rate is affected by distance to the Central Office
D. provides the furthest reach at T1 speeds
E. supports connection of two routers without the use of a DSL access concentrator
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 64
When IP Telephony is deployed for Teleworkers using the Cisco Business Ready Teleworker solution, which statements are true? Choose two.
A. There is lower bandwidth consumption for VoIP media streams.
B. Teleworkers can have the same extensions and inward-dialing numbers at their office desks and home offices.
C. Personal calls are routed directly through the residential PSTN line.
D. Teleworkers can have different extensions at their office desks and home offices.
E. There is less burden on Cisco CallManager for signaling traffic.
F. Incoming calls are first routed to the office desks, then to the home offices.
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 65
An Enterprise decides to implement Authentication Proxy for per-user authentication for home offices. Each home office also supports an IP Phone. What should you do?
A. Configure Access Control Lists to ensure Voice over IP traffic is checked by Auth Proxy.
B. Configure pNAT to ensure Voice over IP packets are properly translated.
C. Configure IOS firewall to permit RTP port numbers through the firewall via VPN.
D. Configure Access Control Lists to allow Voice over IP traffic to bypass Auth Proxy checking.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 66
Drag Drop question
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
Answer: Check certifyme eEngine, Download from Member Center
QUESTION 67
Refer to the exhibit. Select the true statement.
A. The interval value should be configured at 150ms since that is target latency budget.
B. This router never delayed any packets.
C. This router is provisioned for a 256K DSL link.
D. The inside LAN interface is Ethernet 0/0.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 68
Refer to the exhibit. Given the DHCP pool configuration shown on Router A, the Cisco IP phone will not boot up in the Teleworker location. What is missing from the Teleworker DHCP pool configuration?
A. The DHCP pool needs to have an import all statement.
B. The DHCP pool is missing an option 150 ip 10.59.138.1 statement.
C. The DHCP pool is missing an option 139 ip 10.59.138.1 statement
D. The DHCP pool is missing a dns-server 10.59.138.1 statement.
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 69
Which statement regarding 802.1X is true?
A. 802.1X is simple to implement on any workstation.
B. 802.1X requires access-lists to allow IP voice traffic across.
C. Authentication is initiated when the workstation connects to an Ethernet port.
D. 802.1X requires HTTP access to initiate authentication.
Correct Answer: A Section: (none)
Explanation Explanation/Reference:
QUESTION 70
An Enterprise customer is concerned about the effort involved in allocating remote network addressing at the Teleworker location. What should you recommend to the customer?
A. CiscoWorks VPN Manager
B. Easy VPN client mode
C. deploy Linksys routers with menu driven configuration
D. disable 802.1x and Auth Proxy on the Teleworker router
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
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